1 // This source code is dual-licensed under the Apache License, version
2 // 2.0, and the Mozilla Public License, version 1.1.
6 //---------------------------------------------------------------------------
7 // Copyright (C) 2007-2009 LShift Ltd., Cohesive Financial
8 // Technologies LLC., and Rabbit Technologies Ltd.
10 // Licensed under the Apache License, Version 2.0 (the "License");
11 // you may not use this file except in compliance with the License.
12 // You may obtain a copy of the License at
14 // http://www.apache.org/licenses/LICENSE-2.0
16 // Unless required by applicable law or agreed to in writing, software
17 // distributed under the License is distributed on an "AS IS" BASIS,
18 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 // See the License for the specific language governing permissions and
20 // limitations under the License.
21 //---------------------------------------------------------------------------
25 //---------------------------------------------------------------------------
26 // The contents of this file are subject to the Mozilla Public License
27 // Version 1.1 (the "License"); you may not use this file except in
28 // compliance with the License. You may obtain a copy of the License at
29 // http://www.rabbitmq.com/mpl.html
31 // Software distributed under the License is distributed on an "AS IS"
32 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
33 // License for the specific language governing rights and limitations
36 // The Original Code is The RabbitMQ .NET Client.
38 // The Initial Developers of the Original Code are LShift Ltd,
39 // Cohesive Financial Technologies LLC, and Rabbit Technologies Ltd.
41 // Portions created before 22-Nov-2008 00:00:00 GMT by LShift Ltd,
42 // Cohesive Financial Technologies LLC, or Rabbit Technologies Ltd
43 // are Copyright (C) 2007-2008 LShift Ltd, Cohesive Financial
44 // Technologies LLC, and Rabbit Technologies Ltd.
46 // Portions created by LShift Ltd are Copyright (C) 2007-2009 LShift
47 // Ltd. Portions created by Cohesive Financial Technologies LLC are
48 // Copyright (C) 2007-2009 Cohesive Financial Technologies
49 // LLC. Portions created by Rabbit Technologies Ltd are Copyright
50 // (C) 2007-2009 Rabbit Technologies Ltd.
52 // All Rights Reserved.
54 // Contributor(s): ______________________________________.
56 //---------------------------------------------------------------------------
58 using System.Collections;
59 using RabbitMQ.Client;
60 using RabbitMQ.Client.Exceptions;
63 namespace RabbitMQ.Client.Impl
65 public class ContentHeaderPropertyReader
67 private NetworkBinaryReader m_reader;
69 public NetworkBinaryReader BaseReader { get { return m_reader; } }
71 protected ushort m_flagWord;
72 protected ushort m_bitCount;
74 public ContentHeaderPropertyReader(NetworkBinaryReader reader)
77 m_flagWord = 1; // just the continuation bit
78 m_bitCount = 15; // the correct position to force a m_flagWord read
81 public bool ContinuationBitSet { get { return ((m_flagWord & 1) != 0); } }
83 public void ReadFlagWord()
85 if (!ContinuationBitSet)
87 throw new MalformedFrameException("Attempted to read flag word when none advertised");
89 m_flagWord = m_reader.ReadUInt16();
93 public bool ReadPresence()
100 int bit = 15 - m_bitCount;
101 bool result = (m_flagWord & (1 << bit)) != 0;
106 public void FinishPresence()
108 if (ContinuationBitSet)
110 throw new MalformedFrameException("Unexpected continuation flag word");
114 public bool ReadBit()
116 return ReadPresence();
119 public byte ReadOctet()
121 return WireFormatting.ReadOctet(m_reader);
124 public string ReadShortstr()
126 return WireFormatting.ReadShortstr(m_reader);
129 public byte[] ReadLongstr()
131 return WireFormatting.ReadLongstr(m_reader);
134 public ushort ReadShort()
136 return WireFormatting.ReadShort(m_reader);
139 public uint ReadLong()
141 return WireFormatting.ReadLong(m_reader);
144 public ulong ReadLonglong()
146 return WireFormatting.ReadLonglong(m_reader);
149 public IDictionary ReadTable()
151 return WireFormatting.ReadTable(m_reader);
154 public AmqpTimestamp ReadTimestamp()
156 return WireFormatting.ReadTimestamp(m_reader);